Shaping device of metallic tank

Shaping device of metallic tank, which comprises a base, the gliding kicking block of base length direction just can be followed to two relative settings, ejector pad and being used for drives the drive unit of ejector pad along base direction of height up -and -down motion, be provided with a guide bar along its length direction extension on the base, two kicking blocks all cup joint on the guidebar and with guide bar sliding fit, the outside of each kicking block all is fixed with a guide arm along the extension of base length direction, in the guiding hole of guide arm cross -under on thebase, and be provided with an elastic element between base and the guide arm, this elastic element is used for providing one with guide arm towards the inboard elastic stress who pushes away that pushes up of base, the both sides of ejector pad are provided with respectively one from top to bottom gradually towards the central axis inclination's that keeps away from drive unit inclined plane, andthis two inclined plane is